Before the arrival of prefabricated wallboard or "drywall" in the 1940s and '50s, plaster was the material of choice for interior walls and ceilings in American homes. Portland cement plaster was ...

Q Am I right that when sections of plaster break away from the lath, an accepted repair technique is to roughly fill in those gaps with drywall and then drywall over the whole wall or ceiling? — M.H., ...

Q. We're buying a house that is probably close to 100 years old. It has been vacant for the past several years and needs a good amount of cleaning up and fixing up. One thing we're concerned about is ...

The smallest stain on your ceiling is rarely just a cosmetic flaw. It is usually the first visible sign of a leak that, if ...

Q. How important is it to repair plaster before repainting? Our ceilings have peeling paint that we’re pretty sure was caused by past water damage. Since the water problem is no longer an issue, can ...

More than eight years ago, leaks at the Old First Reformed Church in Park Slope caused a portion of the ceiling to collapse. Or so they thought. “Our approach in a situation like that, if we don’t ...